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WS-AT300

WS-AT350

Type

2 Way, Bass-reflex type

Bass–reflex type

Input impedance

8 ohms

Power capacity

400 W (continuous program input)

400W (RMS)

200 W (RMS)

Sound Pressure Level

99 dB [1 W, 1m (3.3 ft)]

92 dB [1 W, 1m (3.3 ft)]

Max. Sound Pressure Level

122 dB [1m (3.3 ft)] 

118 dB [1m (3.3 ft)]

Frequency response

70 Hz - 18 000 Hz

30 Hz - 1 400 Hz

Crossover frequency

2 200 Hz

Speaker

Woofer

38 cm (15”) cone speaker

38 cm (15”) cone speaker

Tweeter

SCWG horn speaker

Dispersion

60

°

(horizontal), 40

°

(vertical)

Dimensions

480 (W) x 694 (H) x38 (D) mm  [18-7/8” (W) x 27-5/16” (H) x 15” (D) ]

Weight

26 

kg

(57 lbs.)

26.5 

kg 

(58 lbs.)

Finish

Enclosure

Resin molded, Blue black

Front panel

Punched grille, Blue black

Standard accessories

Eyebolt (M8 x 25)  ........................................... 2

Operating Instructions .................................... 1

BLOCK DIAGRAM

SPECIFICATIONS

!

 

@

Phone jack

SPEAKON
Connector

Tweeter

Woofer

Tweeter
Protector

Woofer
Protector

HPF

LPF

!

 

@

Phone jack

SPEAKON
Connector

Woofer

WS-AT300

WS-AT350

• Dimensions and weight indicated are approximate.
• Specifications are subject to change without notice.
• True effective power measured by the test method prescribed by American National Standard EIA (Electronic Industries

Association), RS-426-A (1980). 
In this test, the noise signal with a higher frequency power component was used to match the latest program sources.

Summary of Contents for RAMSA WS-AT300

Page 1: ...letely CONTENTS REGULATORY STATEMENTS 2 SAFETY INSTRUCTIONS 2 PREFACE 3 PRECAUTIONS 3 INSTALLING THE SPEAKER 4 CONNECTING SPEAKER CABLES 6 WIRING CONNECTOR AND CABLE 7 SETTING THE SUBWOOFER PROCESSOR 8 PROTECTION CIRCUITS FOR WS AT300 8 BLOCK DIAGRAM 9 SPECIFICATIONS 9 TYPICAL PERFORMANCE 10 DIRECTIVITY 10 APPEARANCE 11 WS AT300 WS AT350 ...

Page 2: ...peaker stand before adjusting their height Separate the speaker and the speaker stand before moving the set to a different location Do not install the speaker with the stand at a place where passers by might stumble on them SAFETY INSTRUCTIONS WARNING TO PREVENT FIRE OR ELECTRIC SHOCK HAZARD DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE The serial number of this product may be found on the back...

Page 3: ...fety wires etc Power loss may increase as the total speaker impedance gets lower with a number of speaker hookups Use the largest speaker cable in wire gauge to reduce power loss Switch off the power amplifiers before connecting the speakers or other peripherals Avoid the followings all the time to protect the speakers from damage Turning on and off mixing consoles and other peripherals may cause ...

Page 4: ... tweeter 2 Turn the tweeter by 90 3 Tighten four bolts to attach the tweeter again 4 Rotate the RAMSA badge by 90 INSTALLING THE SPEAKER Stacking Speakers can be stacked one upon another as illustrated Place an additional speaker on top of another making sure to match their convex and concave portions 40 60 40 60 Sound dispersion angles ...

Page 5: ...ust a safety relief q Tighten the eye bolts with washers and bolt nuts not supplied into the screw holes of the enclosure by hand w Set the direction of the eye bolts to be in the best position for binding safety wires e Fasten the bolt nuts with wrench r Bind one end of safety wires to the eye bolts t Secure the other end of safety wires to the supporting structure of the building Mounting on a s...

Page 6: ... in parallel Excessively low impedance can cause distorted output sound or damage to the amplifier Match the sound phase of all speakers by confirming the polarities of connection when using two or more speakers 1 Connect signal input from an amplifier to either TS phone jack or SPEAKON connector 2 Bridge the first speaker and the second when using two speakers in parallel as illustrated From ampl...

Page 7: ...N connector 4 pole NL4FC series by NEUTRIK AG as followings q Unscrew the connector cap by rotating it counterclockwise w Slide the cable clamp out from the rear of the connector e Push and separate the connector sleeve from the terminal block r Pass the connector cap and cable clamp over the end of the cable t Loosen the clamping screws in the terminal block y Prepare and insert the wires into th...

Page 8: ...he output sound Turn down the volume control for 2 to 20 seconds to reset the circuits A B VLFI VLFI 1 2 3 1 2 3 1 2 3 A K WS AT350 SUB WOOFER MAIN SPEAKER RECOMMENDED FUNCTION SELECTOR SETTING FUNCTION SELECTOR POSITION WS AT300 For further details please refer to the Operating Instructions of the RAMSA Subwoofer Processor WS SP2A Note Make sure to lower the volume control of the amplifiers if th...

Page 9: ...27 5 16 H x 15 D Weight 26 kg 57 lbs 26 5 kg 58 lbs Finish Enclosure Resin molded Blue black Front panel Punched grille Blue black Standard accessories Eyebolt M8 x 25 2 Operating Instructions 1 BLOCK DIAGRAM SPECIFICATIONS Phone jack SPEAKON Connector Tweeter Woofer Tweeter Protector Woofer Protector HPF LPF Phone jack SPEAKON Connector Woofer WS AT300 WS AT350 Dimensions and weight indicated are...

Page 10: ... 210 120 180 150 20 10 0 10 30 40 0 0 30 60 90 330 300 270 240 210 120 150 180 10 20 10 30 40 20 10 0 10 30 40 0 10 20 30 40 50 60 70 90 80 100 110 20 50 100 200 500 1000 2000 5000 10000 20000 dB 1w 1m Frequency response 2nd harmonic distortion Impedance 3rd harmonic distortion 8Ω 16Ω 32Ω Frequency Hz Frequency Hz Sound Pressure Level WS AT300 WS AT350 DIRECTIVITY WS AT300 Horizontal Vertical 500H...

Page 11: ...8 φ38 1 φ1 1 2 480 18 688 27 1 16 694 27 5 16 150 5 7 8 2 M8 both side 5 7 8 WS AT300 150 150 5 7 8 2 M8 φ38 1 50 40 380 5 15 2 M8 217 8 9 16 φ1 1 2 480 18 688 27 1 16 694 27 5 16 2 M8 both side 5 7 8 150 5 7 8 WS AT350 Unit mm inch Dimensions shown are approximate ...

Page 12: ...cus New Jerjey 07094 6550 Katella Ave 17A 7 Cypress CA 90630 714 373 7277 PANASONIC CANADA INC 5770 Ambler Drive Mississauga Ontario L4W 2T3 Canada 905 624 5010 PANASONIC SALES COMPANY DIVISION OF MATSUSHITA ELECTRIC OF PUERTO RICO INC San Gabriel Industrial Park 65th Infantry Ave KM 9 5 Carolina Puerto Rico 00630 809 750 4300 Ns1197 0 YWA8QA4784AN Printed in Japan ...

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